Mocking truth with a time travel bit? The pharmaceutical korporations did not create the "vaccine" the day before they started injecting them into people. Their Emergency Use Authorization paperwork stated they had been working on the "vaccines" for years. There are multiple korporations in different parts of the world with their own "vaccines".
The mutations likely started in September 2019 right after the bioweapon escaped from the Wuhan Lab and they started injected people. Not only is there a Patient Zero for the bioweapon, there are Patient Zeros for each strain caused by the "vaccines".
Do you have a link to the origional EUAs for that or know what search terms to use?